MatchCollection.IList.IndexOf(Object) Method

Definition

Namespace:

System.Text.RegularExpressions

Assembly:

System.Text.RegularExpressions.dll

Source:

MatchCollection.cs

Determines the index of a specific item in the collection.

 virtual int System.Collections.IList.IndexOf(System::Object ^ value) = System::Collections::IList::IndexOf;

int IList.IndexOf (object value);

abstract member System.Collections.IList.IndexOf : obj -> int
override this.System.Collections.IList.IndexOf : obj -> int

Function IndexOf (value As Object) As Integer Implements IList.IndexOf

Parameters

value

Object

The object to locate in the collection.

Returns

Int32

The index of value if found in the list; otherwise, -1.

Implements

IndexOf(Object)

Remarks

Starting with the .NET Framework 2.0, this method uses the collection's objects' Equals and CompareTo methods on item to determine whether item exists. In earlier versions of the .NET Framework, this determination was made by using the Equals and CompareTo methods of the item parameter on the objects in the collection.